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Home » Compare Lenses » Tamron SP AF 17-50mm F2.8 XR Di II LD Aspherical IF vs Sigma 18-50mm F2.8-4.5 DC OS HSM

Tamron SP AF 17-50mm F2.8 XR Di II LD Aspherical IF vs Sigma 18-50mm F2.8-4.5 DC OS HSM

Looking to find more information regarding these two camera lenses? Check out our side by side comparison of the Tamron SP AF 17-50mm F2.8 XR Di II LD Aspherical IF vs Sigma 18-50mm F2.8-4.5 DC OS HSMto review specs, pros and cons, and which is right for you.

Tamron 17-50mm f2.8 XR II LD Top Features

  • 17-50mm Focal Range
  • F2.8 Max Aperture
  • Filter Thread: 67mm
  • Max Format: APS-C / DX
  • Sony Alpha Mount
  • Weight: 430g.
  • Diameter: 74mm
  • Length: 82mm
  • Min Focus Distance:0.27m
  • Max Magnification:0.22x

Tamron SP AF 17-50mm F2.8 XR Di II LD Aspherical IF

Sigma 18-50mm F2.8-4.5 DC OS HSM Top Features

  • 18-50mm Focal Range
  • F2.8 – F4.5 Max Aperture
  • Image Stabilization
  • Filter Thread: 67mm
  • Max Format:
  • Sony Alpha Mount
  • Weight: 395g.
  • Diameter: 74mm
  • Length: 89mm
  • Min Focus Distance:0.3m
  • Max Magnification:0.24x

Sigma 18-50mm F2.8-4.5 DC OS HSM

Our Winner: Tamron SP AF 17-50mm F2.8 XR Di II LD Aspherical IF over Sigma 18-50mm F2.8-4.5 DC OS HSM

Focal Length – Wide 17mm vs 18mm
Optical Zoom 2.90x vs 2.80x
Max Aperture – Tele 2.8 vs 4.5
Depth-of-Field Scale Yes vs No
Length 82mm vs 89mm
Minimum Focus Distance 0.27m vs 0.3m

Pros Of Sigma 18-50mm F2.8-4.5 DC OS HSM over Tamron SP AF 17-50mm F2.8 XR Di II LD Aspherical IF
Image Stabilization Yes vs No
Internal Zoom Yes vs No
Weight 395g vs 430g
Max Magnification 0.24x vs 0.22x

Cons Of Tamron SP AF 17-50mm F2.8 XR Di II LD Aspherical IF and Sigma 18-50mm F2.8-4.5 DC OS HSM
Weather Sealing No vs No

Tamron 17-50mm f2.8 XR II LD vs Sigma 18-50mm F2.8-4.5 DC OS HSM All Features

General Tamron 17-50mm f2.8 XR II LD Sigma 18-50mm F2.8-4.5 DC OS HSM
Brand Tamron Sigma
Lens Type Zoom Zoom
Price CHECK PRICE CHECK PRICE
Lens Type Standard Zoom Standard Zoom
Lens Mount Sony Alpha Sony Alpha
Max Format APS-C / DX APS-C / DX
Focal Range 17-50mm 18-50mm
Image Stabilization No Yes
Colour Black Unknown
Zoom Method Rotary (extending) Rotary (internal)
Power Zoom
Zoom Lock Yes
Zoom Ratio 2.9X 2.8X
Aperture
Max Aperture F2.8 F2.8 – F4.5
Min Aperture F32.0 F22.0 – F36.0
Aperture Ring No No
Diaphragm Blades 7 7
Optics
Optical Elements 16 16
Optical Groups 13 12
Special Elements 2 hybrid aspherical elements 1 LD (Low Dispersion) glass element 1 XR (Extra Refractive) element 2 SLD glass elements 3 aspherical elements
Focusing
Min Focus Distance 0.27m 0.3m
Max Magnification 0.22X 0.24X
Autofocus Yes Yes
AF Motor Type Micromotor Ultrasonic
Full Time Manual No
Focus Method Internal Internal
Distance Scale Yes Yes
DoF Scale Yes No
Distance Scale Yes Yes
Focus Distance Limiter Unknown No
Physical Specs
Weight 430g 395g
Diameter 74mm 74mm
Length 82mm 89mm
Materials Unknown Metal mount
Weather Sealing Unknown No
Filter Thread 67mm 67mm
Filter Notes Does not rotate on focusing
Hood Supplied Yes Yes
Hood Code flower shaped hood Unknown
Tripod Collar No No
Optional Accessories
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